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x86: uv: Add UV memory protection bios call

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Add UV bios call to change memory protections.

Signed-off-by: Russ Anderson <rja@sgi.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
This commit is contained in:
Russ Anderson
2008-11-05 22:13:44 -06:00
committed by H. Peter Anvin
parent 64ccf2f9a7
commit e8929c8a6a
2 changed files with 17 additions and 1 deletions
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8
arch/x86/kernel/bios_uv.c
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@@ -134,6 +134,14 @@ uv_bios_mq_watchlist_free(int blade, int watchlist_num)
}
EXPORT_SYMBOL_GPL(uv_bios_mq_watchlist_free);
s64
uv_bios_change_memprotect(u64 paddr, u64 len, enum uv_memprotect perms)
{
return uv_bios_call_irqsave(UV_BIOS_MEMPROTECT, paddr, len,
perms, 0, 0);
}
EXPORT_SYMBOL_GPL(uv_bios_change_memprotect);
s64 uv_bios_freq_base(u64 clock_type, u64 *ticks_per_second)
{
return uv_bios_call(UV_BIOS_FREQ_BASE, clock_type,